Distinct plastic strain of Ni-free Ti-Zr-Cu-Pd-Nb bulk metallic glasses with potential for biomedical applications

被引：48

作者：

Qin, F. X. ^{[1
]}

Wang, X. M. ^{[1
]}

Xie, G. Q. ^{[1
]}

Inoue, A. ^{[1
]}

机构：

[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

INTERMETALLICS | 2008年 / 16卷 / 08期

关键词：

glasses; metallic; nanocrystals; mechanical testing; biomedical applications;

D O I：

10.1016/j.intermet.2008.05.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

(Ti40Zr10Cu36Pd14)(100-x)Nb-x (x=1, 3, 5at.%) bulk metallic glasses containing nano-particles exhibited ultrahigh strength and distinct plastic strain. The yield strength exceeding 2050 MPa, Young's modulus of about 80 GPa and the plastic strain of over 6.5% were obtained for 1% and 3% Nb-added alloys due to the suppression of the propagation of shear bands by nano-particles in situ formed in the glassy matrix. The developed Ni-free Ti-based bulk metallic glasses with low Young's modulus and good mechanical properties are promising candidates for application as artificial dental root materials and other biomaterials. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1026 / 1030

页数：5

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